In other traditions, they were the sisters of Hyas. The latter was killed in a hunting accident and the Hyades died of grieve, and changed into stars. They form the head of the constellation of Taurus. Their name means "the rainy ones".
The five daughters of Atlas and Aethra, and the sisters of the Pleiades. In some traditions they were regarded as the nurses of either Dionysus or the infant Zeus. As a reward, they were placed in the sky as a constellation.